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Summary: Semantics and Verification of Software
Lecture 18: Dataflow Analysis I
(Introduction & Available Expressions Analysis)
Thomas Noll
Lehrstuhl f¨ur Informatik 2
(Software Modeling and Verification)
RWTH Aachen University
noll@cs.rwth-aachen.de
http://www-i2.informatik.rwth-aachen.de/i2/svsw10/
Summer Semester 2010
Outline
1 Preliminaries on Dataflow Analysis
2 An Example: Available Expressions Analysis
Semantics and Verification of Software Summer Semester 2010 2
Dataflow Analysis: the Approach
Traditional form of program analysis
Semantics and Verification of Software Summer Semester 2010 3
Dataflow Analysis: the Approach
Traditional form of program analysis
Idea: describe how analysis information flows through program
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